Critical Comments on the European Directive on a Common Framework for Electronic Signatures and Certification Service Providers. - Apollònia Martínez Nadal; Josep Lluís Ferrer-Gomila (Financial Cryptography, 2000)

Liability of Certification Authorities: A Juridical Point of View. - Apollònia Martínez Nadal; Josep Lluís Ferrer-Gomila (ISC, 2001)

A Juridical Validation of a Contract Signing Protocol. - Josep Lluís Ferrer-Gomila; Apollònia Martínez Nadal; Magdalena Payeras-Capellà; Llorenç Huguet i Rotger (EC-Web, 2002)

Comments to the UNCITRAL Model Law on Electronic Signatures. - Apollònia Martínez Nadal; Josep Lluís Ferrer-Gomila (ISC, 2002)